1543252045 has 8 divisors (see below), whose sum is σ = 1932420096. Its totient is φ = 1180923216.

The previous prime is 1543252043. The next prime is 1543252049. The reversal of 1543252045 is 5402523451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1543252045 - 2¹ = 1543252043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1543251998 and 1543252016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543252043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6709677 + ... + 6709906.

It is an arithmetic number, because the mean of its divisors is an integer number (241552512).

Almost surely, 2^1543252045 is an apocalyptic number.

It is an amenable number.

1543252045 is a deficient number, since it is larger than the sum of its proper divisors (389168051).

1543252045 is a wasteful number, since it uses less digits than its factorization.

1543252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13419611.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1543252045 is about 39284.2467790844. The cubic root of 1543252045 is about 1155.6126494928.

Adding to 1543252045 its reverse (5402523451), we get a palindrome (6945775496).

The spelling of 1543252045 in words is "one billion, five hundred forty-three million, two hundred fifty-two thousand, forty-five".